PinnedJosue MartinsinInfoSec Write-upsHow Mobile Operators should Thousands of Dollars because of SMS Malware.SMS Malware Analysis — Write Up By Josue Martins7 min read·Apr 18, 2022----
PinnedJosue MartinsinInfoSec Write-upsMobile Malware Analysis - Writeup By Josue MartinsMALWARE FILE INFORMATION4 min read·Feb 29, 2020----
PinnedJosue MartinsinJosue Martins In Cyber SecurityEmbedded Mobile Malware — The greatest cyber weaponThe cybersecurity and enterprise have deep knowledge of attacks towards computers and servers running Linux or windows but not towards…·6 min read·Dec 2, 2020----
PinnedJosue MartinsinJosue Martins In Cyber SecurityiOS versus Android — Qual sistema operativo que é mais suscetível a infecções de vírus?Quando fala-se de virus moveis muita gente ainda pensa que é um mito e que esses tipos de virus não existem, mas eles virus são muitos…·5 min read·Jul 2, 2020----
PinnedJosue MartinsinJosue Martins In Cyber SecurityDetecting Wangiri/Single Ring Solicitation Calls in ISUP TrafficWhat is Single Ring Solicitation Fraud (Wangiri Fraud)?·4 min read·Mar 25, 2020----
Josue MartinsinJosue Martins In Cyber Security5G SA Roaming Without OAuth 2.0 Equals Insecurity By Design.Insecurity By Design Or Insecurity By Ignorance?·4 min read·Apr 9, 2024----
Josue MartinsinJosue Martins In Cyber SecurityPor que o 3GPP não usou o RFC 8705 para tokens OAuth2 do NRF no 5G Core?Autenticação TLS mútua do cliente OAuth 2.0 e tokens de acesso vinculados a certificados no 5G Core!·4 min read·Dec 18, 2023----
Josue MartinsinJosue Martins In Cyber SecurityTop 5 Pitfalls In 5G Security2023 5G Core security wrap up·5 min read·Dec 11, 2023----
Josue MartinsinJosue Martins In Cyber Security5G Core Network Functions That Should Never Be Deployed In A Public Cloud — Lawful Interception…What Mobile Operators Should Consider Before Deploying a Lawful Interception Solution for 5G SA in a Public Cloud — Part 2·3 min read·Sep 10, 2023----
Josue MartinsinJosue Martins In Cyber SecurityTop 10 Limitations of Telecom Signalling FirewallSecurity is a process and not a product·4 min read·May 27, 2023----